The slim jim design is an innovative breakthrough in waste management rubbermaid have created this bin to be as easy as possible to use the bin is made from commercial grade plastic that wont bend and flex during use the rim features four bag clinches that secure your bin bag in place with no need to tie knots in the corners when it comes to emptying the bin you can do it with ease thanks to the interior venting panels they direct airflow beneath the bin liner breaking the vacuum and all